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No Heat Certified Sapphire

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19.02 Carat Ceylon Natural No Heat Certified Sapphire Diamond Ring
Located in Beverly Hills, CA
Stunning 19.02 carat natural Ceylon cushion cut sapphire ring flanked with two trapeze diamonds set
Category

21st Century and Contemporary Unknown Cocktail Rings

Materials

White Diamond, Blue Sapphire, 18k Gold, White Gold

2.36ct No-Heat Pink Sapphire Diamond Ring
Located in Fatih, 34
Gold, White Gold • 0.64ct F SI Natural Round Cut Diamond • 1.72ct Violetish Pink No Heat Certified
Category

2010s European Modern Cuff Bracelets

Materials

Diamond, 14k Gold

AGL Certified & ICA Certified 3.64ct No Heat Sapphire Ring
Located in San Mateo, CA
Cushion Cut Natural Sapphire from Sri Lanka with Double Halo containing 24 blue no heat sapphires
Category

21st Century and Contemporary Sri Lankan Contemporary Fashion Rings

Materials

Diamond, Sapphire, Platinum

6.00ct Oval, No Heat, Sapphire Ring - AGL Certified
Located in Scottsdale, AZ
18K white gold, cocktail ring. Center stone is one (1) oval cut, no heat, sapphire weighing 6.00ct
Category

20th Century Cocktail Rings

Materials

Diamond, Blue Sapphire, Sapphire, 14k Gold, White Gold

GIA Certified 7.02 Carat NO HEAT Blue Sapphire
Located in Miami, FL
This magnificent blue sapphire, weighing 7.02 carats, is a true natural wonder, untouched by heat
Category

21st Century and Contemporary European Contemporary Loose Gemstones

Materials

Blue Sapphire

GIA Certified 2.10 No heat Blue Sapphire Diamond Ring
Located in New York, NY
One-of-kind Ceylon (Sri Lanka) Blue sapphire Ring with VS quality Diamonds set in 18kt Gold.
Category

21st Century and Contemporary Cocktail Rings

Materials

Blue Sapphire, Diamond, 18k Gold

AGL Certified " NO HEAT" Sapphire and Diamond Pendant
Located in New York, NY
Impressive Sapphire pendant! Center of this pendant is set with oval double cabochon-cut sapphire
Category

Mid-20th Century European Retro Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold

7.19 Carat No-Heat Sapphire Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A rich velvety sapphire takes center stage. It weighs an impressive 7.19 carats and has a brilliant
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified No-Heat Sapphire and Diamond Ring
Located in New York, NY
-style jewelry and would make a wonderful gift. Very Rich Color Sapphires accented with diamonds. 18k
Category

20th Century Band Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Yellow Sapphire & Diamond Ring GIA Certified No-Heat
Located in Southbury, CT
It is like your own private sun: a bright yellow, 2.87-carat natural yellow sapphire, GIA certified
Category

Late 20th Century Artisan Cocktail Rings

Materials

Diamond, Yellow Sapphire, 18k Gold, Platinum

Emilio Jewelry Certified Cornflower Blue No Heat Sapphire Ring
By Emilio!
Located in New York, NY
Main stone: Just over 6 carat “Cornflower Blue” certified No Heat sapphire of superb clarity. The
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

GIA Certified Royal Blue Kashmir Sapphire Ring No Heat No Treatment
By Antinori Fine Jewels
Located in Rome, IT
A very rare find. An extremely clean approximately vvs clarity natural oval royal blue sapphire
Category

2010s Italian Modern Solitaire Rings

Materials

White Diamond, Sapphire, Blue Sapphire

Emilio Jewelry GIA Certified No Heat Burma Sapphire Ring
By Emilio!
Located in New York, NY
: Gia certified no heat 4.90ct + Burmese Sapphire Matching: White diamonds total about 4.29 carats set
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

Emilio Jewelry Certified 15 Carat No Heat Sapphire Ring
By Emilio!
Located in New York, NY
Showcasing a 15 carat certified untreated/no heat Ceylon Sapphire of exceptional color and clarity
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

5.85 Carat Burmese Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
the color intense. Adding to that, the sapphire is certified by the GIA as untreated with no heat
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Sapphire, Platinum

AGL Certified 1.78ct Fancy Color No Heat Sapphire Studs
Located in San Mateo, CA
Certifies as Brown-Pinkish Orange resembling Padparadscha Sapphire with 0.17ct G/VS diamonds set in
Category

21st Century and Contemporary Sri Lankan Contemporary Stud Earrings

Materials

Sapphire, Rose Gold

AGL Certified 1.78ct Fancy Color No Heat Sapphire Studs
AGL Certified 1.78ct Fancy Color No Heat Sapphire Studs
Free Shipping
W 0.21 in D 0.11 in L 0.28 in
Certified 3 Carat No Heat Padparadscha Sapphire Diamond Engagement Ring
Located in Santa Barbara, CA
A bright, blush Padparadscha sapphire is the highlight of this gorgeous, detailed engagement ring
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Pink Sapphire, Diamond, Sapphire, Padparadscha Sapphire , Platinum

GIA Certified No Heat 7.71 Carat Sapphire Diamond Ring
Located in New York, NY
This stunning 18k gold ring features a lovely cushion cut GIA certified sapphire that weighs 7.71ct
Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold, Yellow Gold

GIA Certified 2.91 Carat Oval Light Pink No Heat Sapphire
Located in Los Angeles, CA
GIA Certified Light Pink Sapphire Shape- Oval Modified Brilliant Cut Carat Weight- 2.91 Carats
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified 3.50 Carat Kashmir Blue Sapphire No Heat Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3.50 Carat Kashmir Blue Sapphire NO HEAT Ring
Category

2010s Italian Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Eighteen Karat Gold GRS Certified No Heat Padparadscha Sapphire Brooch
By Polya Medvedeva Jewellery
Located in Berlin, DE
design and is made of 18 karat yellow gold. It features a GRS certified no heat Padparadscha pastel
Category

21st Century and Contemporary German Contemporary Brooches

Materials

Sapphire, Pink Sapphire, Padparadscha Sapphire , Gold, 18k Gold, Yellow ...

GIA Certified 1.89ct Sapphire Diamonds Ring 14kt No Heat
Located in New York, NY
GIA Certified: 1.89ct. Natural blue sapphire ring. Full cut brilliant oval cut Clean clarity
Category

2010s American Solitaire Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

SSEF Certified Natural No Heat Yellow Sapphire Diamond Ring
Located in Austin, TX
An antique 14 carat cushion mixed cut natural no heat yellow sapphire and diamond ring. Size of
Category

Vintage 1960s Unknown Cocktail Rings

Materials

Diamond, Yellow Sapphire, Yellow Gold, 18k Gold, Gold

Certified No Heat Padparadscha Pink Sapphire Yellow Gold Pendant Necklace
By Polya Medvedeva Jewellery
Located in Berlin, DE
contemporary design and is made of 18 karat yellow gold. It features a GRS certified no heat Padparadscha
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Sapphire, Pink Sapphire, Padparadscha Sapphire , Gold, 18k Gold, Yellow ...

AGL Certified 1.61 Carat No Heat Purple Sapphire & Diamond Ring
Located in Great Neck, NY
No Heat AGL Certified emerald cut puple sapphire weighing 1.61 cts. Measuring (7.8x5.6) mm 6f
Category

2010s American Modern Cocktail Rings

Materials

Purple Sapphire, Sapphire, Diamond, White Gold, 14k Gold

GIA Certified 2.62ct No Heat Sapphire 0.57ct Diamond Engagement Ring
Located in New York, NY
cut no heat Sri Lankan sapphire that weighs 2.62ct. The sapphire is accentuated by sparkling round cut
Category

20th Century Engagement Rings

Materials

Sapphire, Platinum

Certified 10 Carat Padparadscha Sapphire Oval Diamond Ring No Heat
By Antinori Fine Jewels
Located in Rome, IT
An exquisite unheated untreated certified 10 carat oval padparadscha sapphire ring Padparadscha
Category

2010s American Contemporary Engagement Rings

Materials

Padparadscha Sapphire , Sapphire, White Diamond, Diamond, Platinum

AGTA Certified No Heat Blue Sapphire and Diamond Cocktail Ring
Located in Beverly Hills, CA
AGTA Certified 3.54 carat Burma No Heat blue sapphire and diamond modern ring. The oval blue
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

Emilio Jewelry Grs Certified 20.00 Carat No Heat Sapphire Ring
By Emilio!
Located in New York, NY
magnificent natural Grs certified no heat ceylon sapphire weighing over 20 carats! Set in a very special
Category

21st Century and Contemporary Cocktail Rings

Materials

Sapphire

Gia Certified 5.40 Carat Kashmir No Heat Sapphire Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 5.40 Carat Kashmir NO HEAT Sapphire Diamond Ring
Category

2010s Italian Modern Link Necklaces

Materials

Sapphire, Diamond, White Diamond, Platinum

Certified 5.54 Carat No Heat Sapphire and Diamond Cocktail Ring
Located in Beverly Hills, CA
This 5.54 carat blue sapphire and diamond cocktail ring is crafted beautifully in a unique platinum
Category

21st Century and Contemporary Unknown Contemporary Fashion Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

GRS Certified No Heat Briolette Pear Yellow Sapphire Cts 31.44
Located in Hong Kong, HK
Embrace the warmth of the sun with our radiant GRS Certified No Heat Briolette Pear Yellow Sapphire
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Yellow Sapphire

No Heat Sapphire and Diamond Ring in 18k GIA Certified
Located in Wailea, HI
No Heat Sapphire and Diamond Ring in 18k GIA Certified Beautifully Constructed by a Fine Master
Category

Late 20th Century Unknown More Rings

Materials

Blue Sapphire, 18k Gold

1.03 Carat Pink Sapphire from Madagascar Lotus Certified No Heat
Located in Hua Hin, TH
1.03 carat Pink Sapphire from Madagascar Dimensions: 7.60 x 4.41 x 3.12 mm Shape: Octagonal faceted
Category

2010s Malagasy Loose Gemstones

Materials

Pink Sapphire

GIA Certified No Heat Pink/Purple Sapphire Diamond Engagement Ring
Located in Hong Kong, HK
EJ 1193 American Gem Lab certified no heat pink/purple Sapphire and Diamond Engagement Ring. An
Category

21st Century and Contemporary Hong Kong Contemporary Engagement Rings

Materials

Diamond, Sapphire, Purple Sapphire, 18k Gold, White Gold

Emilio Jewelry Certified 21.00 Carat Untreated No Heat Sapphire Earring
By Emilio!
Located in New York, NY
Fifth Avenue, Finding one untreated sapphire of this size is very difficult, imagine a matching pair
Category

21st Century and Contemporary Dangle Earrings

Materials

Sapphire

Certified 4 Carat Padparadscha Sapphire Oval Diamond Ring No Heat
By Antinori Fine Jewels
Located in Rome, IT
Imagine an exquisite ring featuring a central 4 carat oval padparadscha sapphire, one of the rarest
Category

2010s Unknown Contemporary Cocktail Rings

Materials

Padparadscha Sapphire , Sapphire, White Diamond, Diamond, Rose Gold, 18k...

Emilio Jewelry AGL Certified 15.00 Carat No Heat Sapphire Ring
By Emilio!
Located in New York, NY
ultra are spectacular Natural sapphire is the focal point of this ring. AGL Certified as Ceylon/Sri
Category

21st Century and Contemporary Engagement Rings

Materials

Sapphire

AGL Certified No Heat 6.3 Carat Sapphire and Diamond Ring
Located in New York, NY
Centered upon a 6.30 Carat unheated Sapphire of Thai origin. Accompanied with AGL certificate
Category

2010s Cocktail Rings

Materials

Diamond, Sapphire

GIA Certified 5 Carat No Heat Royal Blue Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
Color Changing Sapphire hailing from Madagascar. At a weight of 5.21 carats and boasting a rectangular
Category

2010s Italian Engagement Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum, 18k Gold

Rose Gold Sculptural Brooch GRS Certified No Heat Padparadscha Pink Sapphire
By Polya Medvedeva Jewellery
Located in Berlin, DE
-certified 3.21-carat no-heat Pastel Pinkish-Orange Padparadscha sapphire, and a a light green sapphire. The
Category

21st Century and Contemporary German Contemporary Brooches

Materials

Green Sapphire, Padparadscha Sapphire , Pink Sapphire, Diamond, Sapphire...

Vintage French Certified Burma Natural No-Heat Sapphire Diamond Ring
Located in Miami, FL
Shine brightly with this French-made vivid Vintage Burma natural sapphire Diamond 18K Gold pave
Category

Vintage 1980s Retro Dome Rings

Materials

Diamond, Sapphire

6.36 Ct No Heat Certified Madagascar Sapphire Diamond Platinum Ring
Located in Napoli, IT
aside for .90 Ct TCW rated G VVS Comes with GCS London laboratory certification stating NO Heat Sapphire
Category

Mid-20th Century European Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

9.35 Carat Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
An impressive ring featuring a gem sapphire weighing 9.35 carats. It is certified by the GIA as
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified NO HEAT Blue Sapphire Pear Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
incredible play of light! The sapphire is also GIA certified as completely unheated! The vast majority of
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Blue Sapphire, White Diamond, Diamond, 18k Gold

Emilio Jewelry Certified 34 Carat No Heat Star Sapphire Ring
By Emilio!
Located in New York, NY
Showcasing a magnificent 34 carat certified natural star sapphire in the center. Hand made in the
Category

21st Century and Contemporary Three-Stone Rings

Materials

Star Sapphire

GIA Certified 5 Carat No Heat Burmese Sapphire Engagement Ring
Located in Santa Barbara, CA
One of the most beautifully hued sapphires to grace an engagement ring. The luxurious and velvety
Category

Early 2000s Unknown Contemporary Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Andreoli No Heat Natural Blue Sapphire Ceylon GIA Certified Platinum Ring
By Andreoli
Located in New York, NY
Andreoli No Heat Natural Blue Sapphire Ceylon GIA Certified Platinum Ring. Your "investment grade
Category

2010s Italian Contemporary Engagement Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

AGL Certified 2.40 ct. Burma No Heat Sapphire Cocktail Ring
Located in New York, NY
We love a deco sapphire moment, and this piece does not disappoint. Graded by AGL, a center
Category

Mid-20th Century Cocktail Rings

Materials

Sapphire, Platinum

Certified 3.10 Carat Burma No Heat Pink Sapphire Earring Studs
By Royaal Stones Ltd
Located in Bangkok, Thailand
A stunning pair of 3.10 carat Pink Sapphire, originating from Burma - absolutely natural with no
Category

21st Century and Contemporary Modern Stud Earrings

Materials

Pink Sapphire, 18k Gold

GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat
By OGI Ltd
Located in New York, NY
Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this
Category

20th Century Sri Lankan Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire

7.84 Carat Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
has a bright and brilliant light-blue color that shines brightly. The sapphire is certified by the GIA
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

2.61ct No Heat Certified Sri Lanka Cornflower Blue Sapphire Oval Cut
By Valentina Fine Jewellery
Located in Sai Kung District, HK
Stunning natural certified Cornflower Blue sapphire, Oval Mix cut - NO HEAT. The blue sapphire is
Category

2010s Loose Gemstones

Materials

Blue Sapphire

GRS Certified No Heat Pink Padparadscha Sapphire 18K Gold Pendant Necklace
By Polya Medvedeva Jewellery
Located in Berlin, DE
contemporary design and is made of 18 karat white gold. It features a GRS certified no heat Padparadscha pastel
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Sapphire, Pink Sapphire, Padparadscha Sapphire , Gold, 18k Gold, White Gold

2.50ct No Heat Certified Sri Lanka Cornflower Blue Sapphire Emerald Cut
By Valentina Fine Jewellery
Located in Sai Kung District, HK
Stunning natural certified Cornflower Blue sapphire, Emerald cut - NO HEAT. The blue sapphire is
Category

2010s Loose Gemstones

Materials

Blue Sapphire, Emerald

Certified 1.02 Carat No Heat Marquis Sapphire Diamond "Evil Eye" Gold Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
in Diamonds F VS The Center Stone is a Blue Sapphire 1.02 Carats NO HEAT The stone is certified by
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Blue Sapphire, Diamond, White Diamond, Sapphire, Gold, 18k Gold, White Gold

7.61 Carat No-Heat Blue Sapphire Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A large and impressive sapphire weighing 7.61 carats. The sapphire is certified by the GIA as
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Eighteen Karat Gold GRS Certified No Heat Padparadscha Sapphire Enamel Ring
By Polya Medvedeva Jewellery
Located in Berlin, DE
of 18-karat white gold and features a GRS certified no-heat Padparadscha pastel pinkish-orange
Category

21st Century and Contemporary German Contemporary Cocktail Rings

Materials

Padparadscha Sapphire , Pink Sapphire, Sapphire, Gold, Enamel, White Gol...

GUBELIN Certified 7.73 Carat Cushion Blue No Heat Kashmir Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
excellent color. This sapphire shows no signs of heat treatment and its color is an incredible blue. As
Category

2010s Italian Modern Fashion Rings

Materials

Blue Sapphire, Sapphire

Certified 5.03 Carat No Heat Grayish Blue Sapphire Diamond Gold Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
VS The sapphire is 5.03 Carats No Heat Greyish Blue The stone is certified by LAPIS. The ring is a
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Green Sapphire, Gold, 1...

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No Heat Certified Sapphire For Sale on 1stDibs

You are likely to find exactly the no heat certified sapphire you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Our collection of these items for sale includes 84 vintage editions and 202 modern creations to choose from as well. Making the right choice when shopping for a no heat certified sapphire may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular accessory, there are many different carat weights to choose from, but 1.5 Carat and 2 Carat versions are of considerable interest. There have been many well-made iterations of the classic no heat certified sapphire over the years, but those made by Diamond Stars Jewelry, Inc., Polya Medvedeva Jewellery and Beyond Fine Jewelry are often thought to be among the most beautiful. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and round cut alternatives. If you’re browsing our inventory for a no heat certified sapphire, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a No Heat Certified Sapphire?

The price for a no heat certified sapphire starts at $1,631 and tops out at $1,175,000 with these rings, on average, selling for $16,888.

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About No Heat Certified Sapphire
  • 1stDibs ExpertApril 5, 2022
    A no-heat sapphire is a sapphire gemstone in its natural state. It differs from sapphires that undergo heat treatment to enhance their surface. Generally, no-heat sapphires are smoother, while heated sapphires are harder and more lustrous. Shop a range of sapphire gemstone jewelry on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    Yes, sapphires conduct heat. In fact, a real one won't melt until it reaches a temperature of 3,711 degrees F. As a result, one way that experts test sapphires to determine if they are real is to heat them to high temperatures. Find a collection of sapphire gemstone jewelry on 1stDibs.